Gujarati
5.Molecular Basis of Inheritance
medium

In the lactose operon of Escherichia coli, what is the function of promoter

A

Binding of Gyrase enzyme

B

Binding of $RNA$ polymerase

C

Codes for $RNA$ polymerase

D

Processing of messenger $RNA$

Solution

(b)Promoter gene $(p)$ is the actual site of start of transcription and it is the site where $RNA$ polymerase binds to the $DNA$ prior to beginning of transcription.

Standard 12
Biology

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